public async Task <string> Handle(CreatePollRequest request, CancellationToken cancellationToken)
{
var(conferenceId, pollInstruction, pollConfig, initialState, roomId) = request;
var pollId = Guid.NewGuid().ToString("N");
var timestamp = DateTimeOffset.UtcNow;
var poll = new Poll(pollId, pollInstruction, pollConfig, roomId, timestamp);
await _repository.CreatePoll(conferenceId, poll);
await _repository.SetPollState(conferenceId, pollId, initialState);
if (!await _openConferenceRepository.IsOpen(request.ConferenceId))
{
await _repository.DeletePollAndState(conferenceId, pollId);
throw ConferenceError.ConferenceNotOpen.ToException();
}
await _mediator.Send(new UpdateParticipantSubscriptionsOfPollRequest(conferenceId, poll));
await SceneUpdater.UpdateScene(_mediator, conferenceId, roomId);
return(pollId);
}
public async Task <Unit> Handle(DeletePollRequest request, CancellationToken cancellationToken)
{
var(conferenceId, pollId) = request;
var poll = await _repository.GetPoll(conferenceId, pollId);
if (poll == null)
{
return(Unit.Value);
}
await _repository.DeletePollAndState(conferenceId, pollId);
var deletedAnswers = await _repository.DeletePollAnswers(conferenceId, pollId);
await _mediator.Send(new UpdateParticipantSubscriptionsOfPollRequest(conferenceId, poll));
await SceneUpdater.UpdateScene(_mediator, conferenceId, poll.RoomId);
foreach (var participantId in deletedAnswers.Keys)
{
await _mediator.Send(new UpdateSynchronizedObjectRequest(conferenceId,
SynchronizedPollAnswers.SyncObjId(participantId)));
}
return(Unit.Value);
}
public async Task <Unit> Handle(UpdatePollStateRequest request, CancellationToken cancellationToken)
{
var(conferenceId, pollId, pollState) = request;
var previousState = await _repository.SetPollState(conferenceId, pollId, pollState);
var poll = await _repository.GetPoll(conferenceId, pollId);
if (poll == null)
{
await _repository.DeletePollAndState(conferenceId, pollId);
throw PollError.PollNotFound.ToException();
}
await _mediator.Send(new UpdateSynchronizedObjectRequest(conferenceId, SynchronizedPoll.SyncObjId(pollId)));
if (request.State.ResultsPublished != previousState?.ResultsPublished)
{
await _mediator.Send(new UpdateParticipantSubscriptionsOfPollRequest(conferenceId, poll));
}
return(Unit.Value);
}
